Abhy's Tech Stroke

I finally decided to pick-up my blogging once more. Since I have been trying to learn Windows Workflow Foundation 4 (WF4) I thought I might as well start off with this topic. WF4 is a development framework that enables you to create a workflow and embed it in a .Net application. It is neither an executable application nor a language. It provides a set of tools for declaring a workflow, activities to create your logic and to define control flow and a runtime for executing the resulting application definition. It also provides services for persistence of state, tracking and bookmarking. You can create your workflow directly in code, in mark-up or in a combination of both. Workflow provide us with two major advantages - Creating unified application logic. Making application logic scalable. Workflow Authoring styles - Sequential Workflow executes a set of contained activities in a sequential manner. Workflow Foundation was introduced in the .Net 3.0 and updated in 3.5. In .net 4 it has bee...